3-(2-{[(Tert-butoxy)carbonyl]amino}-4-chlorophenyl)-3,3-difluoropropanoic acid

(4S)-4-{[1-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclopropyl]formamido}-5,5,5-trifluoropentanoic acid

2-{1-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)acetyl]azetidin-3-yl}acetic acid

2-{2-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)acetamido]ethoxy}acetic acid

3-[(2R)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanamido]propanoic acid

4-[(2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanamido]-3-methylbenzoic acid

tert-butyl N-[1-(4-methylfuran-3-yl)-1-oxopropan-2-yl]carbamate

2-methyl-N-(prop-2-en-1-yl)-5H,6H,7H-cyclopenta[d]pyrimidine-4-carboxamide

4-[5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1H-1,2,4-triazole-3-carbonyl]morpholine-3-carboxylic acid

(1rs&,3rs&)-3-[(1RS,2SR)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cycloheptaneamido]cyclobutane-1-carboxylic acid

rac-3-[benzyl(methyl)amino]-2-{[(1R,2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cycloheptyl]formamido}propanoic acid